49249615249 has 2 divisors, whose sum is σ = 49249615250. Its totient is φ = 49249615248.

The previous prime is 49249615061. The next prime is 49249615267. The reversal of 49249615249 is 94251694294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47265803649 + 1983811600 = 217407^2 + 44540^2 .

It is a cyclic number.

It is not a de Polignac number, because 49249615249 - 2¹¹ = 49249613201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49249615249.

It is not a weakly prime, because it can be changed into another prime (49249615949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24624807624 + 24624807625.

It is an arithmetic number, because the mean of its divisors is an integer number (24624807625).

Almost surely, 2^49249615249 is an apocalyptic number.

It is an amenable number.

49249615249 is a deficient number, since it is larger than the sum of its proper divisors (1).

49249615249 is an equidigital number, since it uses as much as digits as its factorization.

49249615249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 55.

It can be divided in two parts, 492 and 49615249, that added together give a triangular number (49615741 = T₉₉₆₁).

The spelling of 49249615249 in words is "forty-nine billion, two hundred forty-nine million, six hundred fifteen thousand, two hundred forty-nine".